What is the number of chromosome in a normal human body cell?

What is the number of chromosome in a normal human
body cell?
by

1 Answer

Answer :

46
by

Related questions

What is the number of chromosome in a normal human body cell? -Do You Know?

Description : What is the number of chromosome in a normal human body cell? -Do You Know?

Last Answer : 46 chromosomes Humans have 23 pairs of chromosomes, for a total of 46 chromosomes

.Which one of the following conditions of the zygotic cell would lead to the birth of a normal human female child? (a) Two X chromosomes (b) Only one Y chromosome (c) Only one X chromosome (d) One X and one Y chromosome

Description : .Which one of the following conditions of the zygotic cell would lead to the birth of a normal human female child? (a) Two X chromosomes (b) Only one Y chromosome (c) Only one X chromosome (d) One X and one Y chromosome

Last Answer : (a) Two X chromosomes

.A human female with Turner’s syndrome (a) has 45 chromosomes with XO (b) has one additional X chromosome (c) exhibits male characters (d) is able to produce children with normal husband.

Description : .A human female with Turner’s syndrome (a) has 45 chromosomes with XO (b) has one additional X chromosome (c) exhibits male characters (d) is able to produce children with normal husband.

Last Answer : (a) has 45 chromosomes with XO

A fruit fly is heterozygous for sex-linked genes, when mated with normal female fruit fly, the males specific chromosome will enter egg cell in the proportion (a) 3 : 1 (b) 7 : 1 (c) 1 : 1 (d) 2 : 1.

Description : A fruit fly is heterozygous for sex-linked genes, when mated with normal female fruit fly, the males specific chromosome will enter egg cell in the proportion (a) 3 : 1 (b) 7 : 1 (c) 1 : 1 (d) 2 : 1.

Last Answer : (c) 1 : 1

Assertion:- A single human cell has approximately two meter long thread of DNA distributed in each chromosome. Reason:- Durring different stages of ce

Description : Assertion:- A single human cell has approximately two meter long thread of DNA distributed in each chromosome. Reason:- Durring different stages of ce

Last Answer : Assertion:- A single human cell has approximately two meter long thread of DNA distributed in each ... D. If both Assertion & Reason are false.

Production of a human protein in bacteria by genetic engineering is possible because (a) the human chromosome can replicate in bacterial cell (b) the mechanism of gene regulation is identical in humans and bacteria (c) bacterial cell can carry out the RNA splicing reactions (d) the genetic code is universal.

Description : Production of a human protein in bacteria by genetic engineering is possible because (a) the human chromosome can replicate in bacterial cell (b) the mechanism of gene regulation is identical in ... ) bacterial cell can carry out the RNA splicing reactions (d) the genetic code is universal.

Last Answer : (d) the genetic code is universal.

Genetic identity of a human male is determined by (a) sex-chromosome (b) cell organelles (c) autosome (d) nucleolus.

Description : Genetic identity of a human male is determined by (a) sex-chromosome (b) cell organelles (c) autosome (d) nucleolus.

Last Answer : a) sex-chromosome

Anaphase Promoting Complex (APC) is a protein degradation machinery necessary for proper mitosis of animal cell. If APC is defective in a human cell, which of the following is expected to occur? (a) Chromosomes will be fragmented. (b) Chromosomes will not segregate. (c) Recombination of chromosome arms will occur. (d) Chromosomes will not condense

Description : Anaphase Promoting Complex (APC) is a protein degradation machinery necessary for proper mitosis of animal cell. If APC is defective in a human cell, which of the following is expected to ... will not segregate. (c) Recombination of chromosome arms will occur. (d) Chromosomes will not condense

Last Answer : (b) Chromosomes will not segregate.

2. A human cell containing 22 autosomes and a Y chromosome is probably a a) somatic cell of male b) sperm cell c) somatic cell of female d) unfertilized egg cell

Description : 2. A human cell containing 22 autosomes and a Y chromosome is probably a a) somatic cell of male b) sperm cell c) somatic cell of female d) unfertilized egg cell

Last Answer : b) sperm cell

Anaphase Promoting Complex (APC) is a protein degradation machinery necessary for proper mitosis of animal cells. If APC is defective in a human cell, which of the following is expected to occur ? (1) Chromosomes will be fragmented (2) Chromosomes will not segregate (3) Recombination of chromosome arms will occur (4) Chromosomes will not condense

Description : Anaphase Promoting Complex (APC) is a protein degradation machinery necessary for proper mitosis of animal cells. If APC is defective in a human cell, which of the following is expected to occur ... will not segregate (3) Recombination of chromosome arms will occur (4) Chromosomes will not condense

Last Answer : (2) Chromosomes will not segregate

Human body Each In the body cells How much? Pairs Chromosome Stay ?

Last Answer : of the human body Each 23 pairs in body cells Chromosome Stays

Regarding the human chromosomesa. there are 23 pairs autosomal chromosomes b. the Y chromosome is larger than the X chromosome c. cells containing YO chromosome are not compatible with life d. Barr body is caused by the presence of an inactive X chromosome

Description : Regarding the human chromosomes a. there are 23 pairs autosomal chromosomes b. the Y chromosome is larger than the X chromosome c. cells containing YO chromosome are not compatible with life d. Barr body is caused by the presence of an inactive X chromosome

Last Answer : cells containing YO chromosome are not compatible with life

Down’s syndrome is caused by an extra copy of chromosome number 21. What percentage of offspring produced by an affected mother and a normal father would be affected by this disorder? (a) 100% (b) 75% (c) 50% (d) 25%

Description : Down’s syndrome is caused by an extra copy of chromosome number 21. What percentage of offspring produced by an affected mother and a normal father would be affected by this disorder? (a) 100% (b) 75% (c) 50% (d) 25%

Last Answer : (c) 50%

What are the normal chromosome numbers of a sperm egg and zygote respectively?

Description : What are the normal chromosome numbers of a sperm egg and zygote respectively?

Last Answer : monoploid, monoploid and diploid

.Of a normal couple, half the sons are haemophiliac while half the daughters are carriers. The gene is located on (a) X-chromosome of father (b) Y-chromosome of father (c) one X-chromosome of mother (d) both the X-chromosomes of mother

Description : .Of a normal couple, half the sons are haemophiliac while half the daughters are carriers. The gene is located on (a) X-chromosome of father (b) Y-chromosome of father (c) one X-chromosome of mother (d) both the X-chromosomes of mother

Last Answer : (c) one X-chromosome of mother

Cri-du-chat syndrome in humans is caused by the (a) trisomy of 21st chromosome (b) fertilisation of an XX egg by a normal Y-bearing sperm (c) loss of half of the short arm of chromosome 5 (d) loss of half of the long arm of chromosome 5.

Description : Cri-du-chat syndrome in humans is caused by the (a) trisomy of 21st chromosome (b) fertilisation of an XX egg by a normal Y-bearing sperm (c) loss of half of the short arm of chromosome 5 (d) loss of half of the long arm of chromosome 5.

Last Answer : (c) loss of half of the short arm of chromosome 5

What is the chromosome number in a human ovum? (1) 24 (2) 46 (3) 48 (4) None of these

Description : What is the chromosome number in a human ovum? (1) 24 (2) 46 (3) 48 (4) None of these

Last Answer : (2) 46 Explanation: Chromosomes are long Stringy aggregates of genes that carry heredity information. They are composed of DNA and proteins and are located within the nucleus of our cells. Chromosomes determine ... for a total of 46. There are 22 pairs of autosomes and one pair of sex chromosomes.

Read the statements given below and identify the incorrect statement. a) The human genome contains 3164.7 million nucleotide bases. b) The average gene consists of 30,000 bp c) The total number of genes is estimated at 30,000. d) Chromosome Y has 231 genes e) Less than 2% of the genome codes for proteins.

Description : Read the statements given below and identify the incorrect statement. a) The human genome contains 3164.7 million nucleotide bases. b) The average gene consists of 30,000 bp c) The total number of genes is ... . d) Chromosome Y has 231 genes e) Less than 2% of the genome codes for proteins.

Last Answer : d) Chromosome Y has 231 genes

What is the chromosome number in a human ovum ? (1) 24 (2) 46 (3) 48 (4) None of these

Description : What is the chromosome number in a human ovum ? (1) 24 (2) 46 (3) 48 (4) None of these

Last Answer : 46

The number of DNA in chromosome at `G_(2)` stage of cell cycle

Description : The number of DNA in chromosome at `G_(2)` stage of cell cycle

Last Answer : The number of DNA in chromosome at `G_(2)` stage of cell cycle A. One B. Two C. Four D. Eight

A cell examined during prophase of cell cycle contained 100 units of DNA and 50 chromosomes. What would be the number of DNA and chromosome in anaphas

Description : A cell examined during prophase of cell cycle contained 100 units of DNA and 50 chromosomes. What would be the number of DNA and chromosome in anaphas

Last Answer : A cell examined during prophase of cell cycle contained 100 units of DNA and 50 chromosomes. What ... & 100 chromosomes D. 50 DNA & 25 chromosomes

What is A cell or organism having half of the diploid chromosome number?

Description : What is A cell or organism having half of the diploid chromosome number?

Last Answer : Need answer

Mitosis is a type of cell division in which - (1) The chromosomes maintain their original number (2) The chromosome number is reduced to half (3) The Chromosome number is doubled (4) The chromosome number is reduced to one fourth

Description : Mitosis is a type of cell division in which - (1) The chromosomes maintain their original number (2) The chromosome number is reduced to half (3) The Chromosome number is doubled (4) The chromosome number is reduced to one fourth

Last Answer : (3) The Chromosome number is doubled

Which cell division helps to maintain the chromosome number of a species?

Description : Which cell division helps to maintain the  chromosome number of a species?

Last Answer : Meiosis

In ‘S’ phase of the cell cycle (a) amount of DNA doubles in each cell (b) amount of DNA remains same in each cell (c) chromosome number is increased (d) amount of DNA is reduced to half in each cell.

Description : In ‘S’ phase of the cell cycle (a) amount of DNA doubles in each cell (b) amount of DNA remains same in each cell (c) chromosome number is increased (d) amount of DNA is reduced to half in each cell.

Last Answer : (a) amount of DNA doubles in each cell

In a cell haploid chromosome number is 15. What number is found in Pollen grain, Zygote, Primary endosperm nucleus and Colchicine treated zygote.

Description : In a cell haploid chromosome number is 15. What number is found in Pollen grain, Zygote, Primary endosperm nucleus and Colchicine treated zygote. 

Last Answer : Ans: 15 in pollen grain, 30 in zygote, 45 in Primary Endosperm nucleus and 60 in colchicine treated zygote.

What is the number of chromosomes in a normal human body cell? (1) 43 (2) 44 (3) 45 (4) 46

Description : What is the number of chromosomes in a normal human body cell? (1) 43 (2) 44 (3) 45 (4) 46

Last Answer : (4) 46 Explanation: A chromosome is an organized structure of DNA and protein found in cells. It is a single piece of coiled DNA containing many genes, regulatory elements and other nucleotide sequences. ... (22 pairs of autosomes and one pair of sex chromosomes), giving a total of 46 per cell.

What is the number of chromosomes in a normal human body cell ? (1) 43 (2) 44 (3) 45 (4) 46

Description : What is the number of chromosomes in a normal human body cell ? (1) 43 (2) 44 (3) 45 (4) 46

Last Answer : 46

The human insulin gene located on the short arm of chromosome: (A) 11 (B) 17 (C) 18 (D) 20

Description : The human insulin gene located on the short arm of chromosome: (A) 11 (B) 17 (C) 18 (D) 20

Last Answer : Answer : A

Down Syndrome, a congenital genetic disorder in human beings, is cased by : (a) a defective recessive gene in homozygous condition (b) an extra x chromosome (c) trisomy of chromosome 18 (d) trisomy of chromosome 21

Description : Down Syndrome, a congenital genetic disorder in human beings, is cased by : (a) a defective recessive gene in homozygous condition (b) an extra x chromosome (c) trisomy of chromosome 18 (d) trisomy of chromosome 21

Last Answer : Ans:(d)

An abnormal human male phenotype involving an extra X-chromosome (XXY) is a case of (a) Edward’s syndrome (b) Klinefelter’s syndrome (c) intersex (d) Down’s syndrome.

Description : An abnormal human male phenotype involving an extra X-chromosome (XXY) is a case of (a) Edward’s syndrome (b) Klinefelter’s syndrome (c) intersex (d) Down’s syndrome.

Last Answer : (b) Klinefelter’s syndrome

.In Drosophila, the XXY condition leads to femaleness whereas in human beings the same condition leads to Klinefelter’s syndrome in male. It proves (a) in human beings Y chromosome is active in sex determination (b) Y chromosome is active in sex determination in both human beings and Drosophila (c) in Drosophila Y chromosome decides femaleness (d) Y chromosome of man have genes for syndrome.

Description : .In Drosophila, the XXY condition leads to femaleness whereas in human beings the same condition leads to Klinefelter's syndrome in male. It proves (a) in human beings Y chromosome is active in ... (c) in Drosophila Y chromosome decides femaleness (d) Y chromosome of man have genes for syndrome.

Last Answer : (a) in human beings Y chromosome is active in sex determination

. Select the incorrect statement. (a) Human males have one of their sex-chromosome much shorter than other. (b) Male fruit fly is heterogametic. (c) In male grasshoppers, 50% of sperms have no sex-chromosome. (d) In domesticated fowls, sex of progeny depends on the type of sperm rather than egg.

Description : . Select the incorrect statement. (a) Human males have one of their sex-chromosome much shorter than other. (b) Male fruit fly is heterogametic. (c) In male grasshoppers, 50% of sperms have no sex-chromosome. (d) In domesticated fowls, sex of progeny depends on the type of sperm rather than egg.

Last Answer : (d) In domesticated fowls, sex of progeny depends on the type of sperm rather than egg.

Freshly released human egg has (a) one Y-chromosome (b) one X-chromosome (c) two X-chromosome (d) one X-chromosome and one Y-chromosome.

Description : Freshly released human egg has (a) one Y-chromosome (b) one X-chromosome (c) two X-chromosome (d) one X-chromosome and one Y-chromosome.

Last Answer : (b) one X-chromosome

Put the following structures in order from smallest to biggest, Chromosome, Genome, Nucleotide Base, Codon, Gene, Cell Nucleus?

Description : Put the following structures in order from smallest to biggest, Chromosome, Genome, Nucleotide Base, Codon, Gene, Cell Nucleus?

Last Answer : The order is nitrogenous base, nucleotide, codon, gene, chromosome, nucleus, and cell. :)

At what stage of mitosis cell division does half of the chromosome move towards the North Pole and half towards the South Pole ?

Description : At what stage of mitosis cell division does half of the chromosome move towards the North Pole and half towards the South Pole ?

Last Answer : Answer : In the anaphase stage of mitosis cell division, half of the chromosomes move towards the North Pole and half towards the South Pole.

Assertion :- Kinetochore is essential for cell division. Reason :- Kinetochores serve as the sites of attachment of spindle fibres to the chromosome.

Description : Assertion :- Kinetochore is essential for cell division. Reason :- Kinetochores serve as the sites of attachment of spindle fibres to the chromosome.

Last Answer : Assertion :- Kinetochore is essential for cell division. Reason :- Kinetochores serve as the sites of ... D. If both Assertion & Reason are false.

During cell division, spindle fibers attach to which part of chromosome :-

Description : During cell division, spindle fibers attach to which part of chromosome :-

Last Answer : During cell division, spindle fibers attach to which part of chromosome :- A. Primary constriction B. Sec. Constriction C. Chromomere D. Chromatid

How many chromosome shal be present in a diploid cell at mitotic anaphase if its egg cell has the chromosome :-

Description : How many chromosome shal be present in a diploid cell at mitotic anaphase if its egg cell has the chromosome :-

Last Answer : How many chromosome shal be present in a diploid cell at mitotic anaphase if its egg cell has the chromosome ... 20(Twenty) C. 30(Thirty) D. 40(Forty)

Which type of chromosome is present in the prophase of cell cycle?

Description : Which type of chromosome is present in the prophase of cell cycle?

Last Answer : Which type of chromosome is present in the prophase of cell cycle? A. 2 chromatid B. 1 chromatid C. 4 chromatid D. 8 chromatid

What is a cell that only has one copy of each chromosome?

Description : What is a cell that only has one copy of each chromosome?

Last Answer : Need answer

Which of the following is called the powerhouse' of the cell? (1) Nucleus (2) Lysosome (3) Chromosome (4) Mitochondrion

Description : Which of the following is called the powerhouse' of the cell? (1) Nucleus (2) Lysosome (3) Chromosome (4) Mitochondrion

Last Answer : (4) Mitochondrion Explanation: Mitochondria are sometimes described as "cellular power plants" because they generate most of the cell's supply of adenosine tri-phosphate (ATP), used as a source of ... cellular differentiation, cell death, as well as the control of the cell cycle and cell growth.

In which cell division chromosome num- ber is reduced to half?

Description : In which cell division chromosome num- ber is reduced to half?

Last Answer : Meiosis

Which of the following is a correct match? (a) Down’s syndrome - 21st chromosome (b) Sickle cell anaemia - X-chromosome (c) Haemophilia - Y-chromosome (d) Parkinson’s disease - X and Y chromosome

Description : Which of the following is a correct match? (a) Down’s syndrome - 21st chromosome (b) Sickle cell anaemia - X-chromosome (c) Haemophilia - Y-chromosome (d) Parkinson’s disease - X and Y chromosome

Last Answer : a) Down’s syndrome - 21st chromosome

Select the correct match. (a) Haemophilia – Y linked (b) Phenylketonuria – Autosomal dominant trait(c) Sickle cell anaemia – Autosomal recessive trait,chromosome -11 (d) Thalassemia – X linked

Description : Select the correct match. (a) Haemophilia – Y linked (b) Phenylketonuria – Autosomal dominant trait (c) Sickle cell anaemia – Autosomal recessive trait,chromosome -11 (d) Thalassemia – X linked

Last Answer : (c) Sickle cell anaemia – Autosomal recessive trait,chromosome -11

When a viral nucleic acid becomes part of the host cell chromosome it is called _____. a. lysis b. lysogeny c. maturation d. latent

Description : When a viral nucleic acid becomes part of the host cell chromosome it is called _____. a. lysis b. lysogeny c. maturation d. latent

Last Answer : b. lysogeny

Which of the following statements supports the cell theory? a. all living things are made of cells b. all living things have a chromosome in the nucleus c. all living things have cellular metabolism in the mitochondria d. A-C are correct

Description : Which of the following statements supports the cell theory? a. all living things are made of cells b. all living things have a chromosome in the nucleus c. all living things have cellular metabolism in the mitochondria d. A-C are correct

Last Answer : a. all living things are made of cells

At the beginning of which phase of mitosis does each duplicated and condensed chromosome consisting of two identical sister chromatids align along the cell equator?

Description : At the beginning of which phase of mitosis does each duplicated and condensed chromosome consisting of two identical sister chromatids align along the cell equator?

Last Answer : Metaphase

This female American geneticist achieved recognition as one of the world's foremost investigators in cytogenetics, the study of heredity by cellular and genetic methods. In 1951 she discovered that gene fragments in corn could move from chromosome to chromosome, and even from cell to cell. Thirty-two years after this extraordinary work, she was awarded the Nobel Prize in medicine in 1983. Who is this notable woman scientist?

Description : This female American geneticist achieved recognition as one of the world's foremost investigators in cytogenetics, the study of heredity by cellular and genetic methods. In 1951 she discovered that gene ... was awarded the Nobel Prize in medicine in 1983. Who is this notable woman scientist?

Last Answer : ANSWER: (BARBARW) McCLINTOCK

Which of the following is called the powerhouse’ of the cell ? (1) Nucleus (2) Lysosome (3) Chromosome (4) Mitochondrion

Description : Which of the following is called the powerhouse’ of the cell ? (1) Nucleus (2) Lysosome (3) Chromosome (4) Mitochondrion

Last Answer : Mitochondrion